Wall trimming strip



FIG. 1 is a top front perspective view of a wall trimming strip embodying our new design;

FIG. 2 is a front view thereof, a left-hand side view being a mirror image thereof;

FIG. 3 is a right-hand side view as seen from FIG. 2, a rear view being a mirror image thereof; and,

FIG. 4 is an end view thereof, the opposite end view being a mirror image thereof.

The broken lines are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a wall trimming strip, as shown and described. 